R. 'Mrs J.C. Williams'
Rhododendron Hybrid
| Hybridized By | Waterer, H. (Knaphill) |
| Introduced | 1938 |
| 10 Year Height | 200 cm. (7ft.) |
| Bloom Time | midseason |
| Flower | funnel-shaped |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | oblanceolate |
| Leaf persistence | ? |
| Minimum Hardiness | -10 C (14 F) |
| Additional Hardiness Info |
H4 |
| Registration | Registered |